TI - MEdical news PT - JOUR DP - 1969 TA - JAMA pages = {191-200}, VI - 209 IP - 2 AID - 10.1001/jama.1969.03160150005003 [doi] 4100 - http://dx.doi.org/10.1001/jama.1969.03160150005003 SO - JAMA July 14, 1969 209(2):191